Re: "Is There a Force of Gravity?"


JanPB wrote:

[snip]

So if you don't like the WORD "fictitious" - fine. Point is division
into two types of forces ("real" and "fictitious" according to the
ingrained terminology) does make sense. Whether such distinction is
useful and/or confusing is another question but it definitely has its
place in physics.

"Ficticous" has no place in physics. As I said, both of my main
graduate mechanics/dynamics texts, do not use this label. It is only
very recent that some people insist on that label, including some cult
relativists.

Force is just a definition. How can a definition be "real" or
"ficticious"? It is beyond comprehension.

I think that poeple that made the mistake of calling some inetial
forces fictisious did have in mind that force has a real existence.
They created more confusion than intended to solve.

By the way, I hope you know that Newton in Principia clarifies that
force is a mathematical concept right after he states the laws.

Mike





--
Jan Bielawski

.

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